header{
    .nav {
        height: 40px;
        line-height: 40px;
        .nav-list {
            width: 100%;
            margin: 0 auto;
            border-bottom: 1px solid #eee;
            .nav-item {
                text-align: center;
                position: relative;
            }
            .nav-link {
                color: #9A9AAA;
                font-size: 16px;
                &.active {
                    font-weight: 700;
                    color: #429CFF;
                }
            }
            .line {
                display: inline-block;
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                bottom: 0;
                width: 50px;
                height: 2px;
                background-color: #AAD9F7;
            }
    
        }
    }
}
main{
    overflow: scroll;
    padding: 0px 10px;
    .new-course{
        line-height: 24px;
        h3{
            line-height: 40px;
        }
        .course-content{
            border: 2px solid #ccc;
            border-radius: 15px;
            box-shadow: 0px 0px 5px 2px #ccc;
            img{
                border-radius:12px 12px 0 0;
            }
            .course-title{
                padding-left: 10px;
            }
            .explain{
                padding-left: 10px;
            }
        }
    }
    .course{
        a{
            color: #ccc;
        }
        margin-top: 10px;
        h1{
            line-height: 40px;
        }
        .course-list>li{
            width: 100%;
            height: 120px;
            box-shadow: 0px 0px 5px 2px #ccc;
            border: 2px solid #ccc;
            border-radius: 15px;
            padding: 45px 10px 10px;
            margin-bottom: 10px;
            color: #fff;
            background: url(../../assets/imgs/course-img04.jpg) no-repeat top center;
            background-size: cover;
            p{
                line-height: 40px;
            }
        }
    }
}
